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Other mucus-secreting cells are the mucous neck cells in the necks of the gastric glands. [2]: 257 Surface mucous cells have large quantities of mucin granules in their apical (top) surface and project short microvilli into the lumen of the stomach. [2]: 257 Mucins are large glycoproteins that give the mucus its gel-like properties. [3]
The mucus produced here is less acidic than that produced by the mucous neck cells. Fundic glands found in the fundus and also in the body have another two cell types–gastric chief cells and parietal cells (oxyntic cells). Foveolar cells (surface mucous cells) are mucus-producing cells which cover the inside of the stomach, protecting it from ...
Several types of endocrine cells are found in the gastric glands. The pyloric glands contain gastrin -producing cells ( G cells ); this hormone stimulates acid production from the parietal cells. Enterochromaffin-like cells (ECLs), found in the oxyntic glands release histamine , which also is a powerful stimulant of the acid secretion.
Mucus-bicarbonate Barrier 3: śluz: Mucus C: Komórki nabłonkowe powierzchowne: Epithelial Tight Junctions D: Ścisłe połączenie międzykomórkowe: Surface Mucous Cells E: Substancja międzykomórkowa: Interstitial Fluid F: Naczynie włosowate: Capillary
English: Gastric glands are composed of epithelial cells (A), chief cells (C), and parietal cells (B). The chief and parietal cells produce and secrete mucus (D) to protect the lining of the stomach (F) against the harsh pH of stomach acid. The mucus is basic, while the stomach acid (E) is acidic.
The ciliated part of the simple columnar epithelium has tiny hairs which help move mucus and other substances up the respiratory tract. The shape of the simple columnar epithelium cells are tall and narrow giving a column like appearance. the apical surfaces of the tissue face the lumen of organs while the basal side faces the basement membrane ...
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A special mucus covering, derived from mucus secreted by surface epithelial cells and Foveolar cells. This insoluble mucus forms a protective gel-like coating over the entire surface of the gastric mucosa. The mucus protects the gastric mucosa from autodigestion by e.g. pepsin and from erosion by acids and other caustic materials that are ...